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Cum se rezolva 47-3×15>9-x

Răspuns :

47-3×15>9-x
47-
45>9-x
2
>9-x
x>9-2
x>7
47 -45>9-x
2>9-x | +x
2+x>9 | -2
x>9-2
x>7 
x={0,1,2,3,4,5,6}